JSON Tool Suite
Validate, format, convert, and transform JSON with a real parser — code generators, structure tools, and developer-ready output.
JSON Formatter
Pretty-print JSON with 2, 4, or tab indentation.
JSON Minifier
Strip all whitespace to shrink JSON to one line.
JSON Minify Plus
Minify with lossless number shortening and decimal capping.
JSON Validator
Check JSON against RFC 8259 and pinpoint errors by line and column.
JSON Lint
Lint JSON and report structural and style issues.
JSON Repair
Fix trailing commas, single quotes, unquoted keys, and comments.
JSON Sort Keys
Recursively sort object keys ascending or descending.
JSON Escaper
Escape JSON into a safe embeddable string.
JSON Unescaper
Turn an escaped JSON string back into real JSON.
JSON Stringify
Wrap JSON as a ready-to-paste string for JS, Python, Go, or shell.
JSON to CSV
Convert arrays of objects into clean CSV rows.
JSON to TSV
Convert JSON into tab-separated values.
JSON to XML
Transform JSON into well-formed XML.
JSON to YAML
Convert JSON into readable YAML.
JSON to TOML
Convert JSON into TOML config format.
JSON to HCL
Convert JSON into HCL config format.
JSON to Properties
Convert JSON into a .properties file.
JSON to NDJSON
Flatten a JSON array into newline-delimited JSON.
JSON to HTML Table
Render JSON as an HTML table.
JSON to Markdown Table
Render JSON as a Markdown table.
JSON to Markdown
Render JSON as Markdown (table, list, code, or auto).
JSON to Mermaid
Generate Mermaid flowchart or mindmap code from JSON.
JSON to SQL
Generate INSERT statements from JSON records.
JSON to Base64
Encode JSON as a Base64 string.
JSON to Query String
Build a URL query string from a JSON object.
JSON to PHP Array
Convert JSON into a PHP array literal.
CSV to JSON
Parse CSV into an array of JSON objects.
TSV to JSON
Parse tab-separated values into JSON objects.
XML to JSON
Parse XML into structured JSON.
YAML to JSON
Convert YAML into JSON.
TOML to JSON
Parse TOML config into JSON.
HCL to JSON
Parse HCL config into JSON.
Properties to JSON
Parse a .properties file into JSON.
NDJSON to JSON
Combine newline-delimited JSON into one array.
PHP Array to JSON
Parse a PHP array literal into JSON.
Query String to JSON
Turn a URL query string into a JSON object.
JSON to TypeScript
Generate TypeScript interfaces from JSON.
JSON to Go
Generate Go structs from JSON.
JSON to Python
Generate Python dataclasses or TypedDicts from JSON.
JSON to Rust
Generate Rust serde structs from JSON.
JSON to Java
Generate Java POJOs from JSON.
JSON to Kotlin
Generate Kotlin data classes from JSON.
JSON to C#
Generate C# classes from JSON.
JSON to Zod
Generate a Zod schema from JSON.
JSON to Mongoose
Generate a Mongoose schema from JSON.
JSON Flatten
Flatten nested JSON into dot or bracket notation.
JSON Unflatten
Rebuild nested JSON from flattened keys.
JSON Diff
Compare two JSON objects while ignoring key order.
JSON Merge
Deep-merge two JSON objects with a conflict strategy.
JSONPath Query
Extract values from JSON using JSONPath expressions.
JMESPath Query
Query and reshape JSON with JMESPath expressions.
JSON Select / Filter
Select and filter JSON nodes by criteria.
JSON Extract Values
Pull values by key, glob, or regex.
JSON Template
Render JSON through a template into text.
JSON Schema Generator
Generate a draft 2020-12 schema from JSON.
JSON Fill Defaults
Fill missing fields with default values.
JSON Remove Keys
Remove keys by name across the tree.
JSON Rename Keys
Rename keys with explicit mappings.
JSON Group By
Group an array of objects by a field.
JSON Dedupe Array
Remove duplicate items from JSON arrays.
JSON Dedupe Keys
Remove duplicate object keys, keeping the last.
JSON Compress Keys
Replace long keys with short codes plus a reversible map.
JSON Dedupe Values
Replace repeated values with references to shrink size.
JSON Tree View
Render JSON as an ASCII tree.
JSON Stats
Count keys, depth, and value types in JSON.
JSON Hash Values
Hash selected values for comparison or masking.
JSON Detect Encoding
Detect encoding and flag suspicious characters.
JWT Decoder
Decode a JWT into its JSON header and payload.
JSON Mask
Redact sensitive fields in JSON.
JSON PII Scanner
Auto-detect emails, phones, cards, IBANs, and SSNs and suggest masking.
JSON Anonymize
Replace values with realistic fake data by key name.
JSON Type Coerce
Convert values between string, number, and boolean.
JSON Schema to Mock
Generate valid sample JSON from a JSON Schema.
JSON Keypath Rename
Bulk-rename keys by regex across the whole tree.
JSON Value Frequency
Show a histogram of values by path or key.
JSON Array Pivot
Pivot an array of objects with group-by and aggregate.
JSON Patch (RFC 6902)
Generate an applicable RFC 6902 patch between two JSONs.
JSON Merge Patch (RFC 7396)
Build a GitHub-style merge patch.
JSON to .env
Turn nested JSON into UPPER_SNAKE_CASE .env keys.
JSON Numeric Precision
Find floats losing precision beyond 15 significant digits.
JSON Canonical (JCS)
Apply RFC 8785 canonicalization for deterministic hashing.
JSON Circular Detect
Find repeated sub-objects and potential circular references.
JSON Size Budget
Show which keys consume the most bytes.
JSON to GraphQL Query
Derive a GraphQL query that returns this structure.
JSON Deep Sort Arrays
Sort arrays by content for stable comparison.
JSON Unicode Normalize
NFC/NFD-normalize strings and flag invisible or mixed-script chars.
JSON Timestamp Humanize
Add human-readable versions of Unix and ISO timestamps.